Short answers, pulled from the story.
Jersey City was officially chartered on the 3rd of May 1870 when it annexed Bergen City and Hudson City. The consolidation of all towns east of the Hackensack River into one municipality began on the 17th of March 1870.
The village of Bergen was established by settlers who wished to return to the west bank of the Hudson on what is now Bergen Square in 1660. It was officially chartered by Peter Stuyvesant on the 5th of September 1661 as the state's first local civil government.
On the 19th of August 1779, Major Henry Lee led an assault on the fort at Paulus Hook where Continental Army forces took 158 British prisoners. The attack damaged the fort but failed to destroy it or spike its cannons before Lee ordered a withdrawal.
Frank Hague governed Jersey City with an iron fist while molding governors, United States senators, and judges to his whims. He financed infrastructure projects like the Holland Tunnel and Wittpenn Bridge using WPA funds secured by congresswoman Mary Teresa Norton.
As of the 2020 United States census, the city's population was 292,449 which represents an increase of 44,852 or 18.1% from the 2010 count. This makes Jersey City the most ethnically diverse city in the nation with more than 40 languages spoken in over 52% of homes.